490198020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{29}}^1\times {\mathrm{1667}}^1$

素因数の和:1734

約数の個数: 144

約数和(自身を含む): 1538429760

約数和(自身を除く): 1048231740

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 29, 30, 39, 52, 58, 60, 65, 78, 87, 116, 130, 145, 156, 169, 174, 195, 260, 290, 338, 348, 377, 390, 435, 507, 580, 676, 754, 780, 845, 870, 1014, 1131, 1508, 1667, 1690, 1740, 1885, 2028, 2262, 2535, 3334, 3380, 3770, 4524, 4901, 5001, 5070, 5655, 6668, 7540, 8335, 9802, 10002, 10140, 11310, 14703, 16670, 19604, 20004, 21671, 22620, 24505, 25005, 29406, 33340, 43342, 48343, 49010, 50010, 58812, 65013, 73515, 86684, 96686, 98020, 100020, 108355, 130026, 145029, 147030, 193372, 216710, 241715, 260052, 281723, 290058, 294060, 325065, 433420, 483430, 563446, 580116, 628459, 650130, 725145, 845169, 966860, 1126892, 1256918, 1300260, 1408615, 1450290, 1690338, 1885377, 2513836, 2817230, 2900580, 3142295, 3380676, 3770754, 4225845, 5634460, 6284590, 7541508, 8169967, 8451690, 9426885, 12569180, 16339934, 16903380, 18853770, 24509901, 32679868, 37707540, 40849835, 49019802, 81699670, 98039604, 122549505, 163399340, 245099010, 490198020]

約数ペア:

[(1, 490198020), (2, 245099010), (3, 163399340), (4, 122549505), (5, 98039604), (6, 81699670), (10, 49019802), (12, 40849835), (13, 37707540), (15, 32679868), (20, 24509901), (26, 18853770), (29, 16903380), (30, 16339934), (39, 12569180), (52, 9426885), (58, 8451690), (60, 8169967), (65, 7541508), (78, 6284590), (87, 5634460), (116, 4225845), (130, 3770754), (145, 3380676), (156, 3142295), (169, 2900580), (174, 2817230), (195, 2513836), (260, 1885377), (290, 1690338), (338, 1450290), (348, 1408615), (377, 1300260), (390, 1256918), (435, 1126892), (507, 966860), (580, 845169), (676, 725145), (754, 650130), (780, 628459), (845, 580116), (870, 563446), (1014, 483430), (1131, 433420), (1508, 325065), (1667, 294060), (1690, 290058), (1740, 281723), (1885, 260052), (2028, 241715), (2262, 216710), (2535, 193372), (3334, 147030), (3380, 145029), (3770, 130026), (4524, 108355), (4901, 100020), (5001, 98020), (5070, 96686), (5655, 86684), (6668, 73515), (7540, 65013), (8335, 58812), (9802, 50010), (10002, 49010), (10140, 48343), (11310, 43342), (14703, 33340), (16670, 29406), (19604, 25005), (20004, 24505), (21671, 22620)]